The leg muscles of a person in the act of sitting down
Question # 00767227
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Updated on: 06/25/2020 06:20 AM Due on: 07/02/2020
Discuss whether any work is being done by each of the following agents and, if so, whether the work is positive or negative: (a) a chicken scratching the ground, (b) a person studying, (c) a crane lifting a bucket of concrete, (d) the force of gravity on the bucket in part (c), (e) the leg muscles of a person in the act of sitting down.
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